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<?php
namespace Egulias\EmailValidator\Tests\EmailValidator;
use Egulias\EmailValidator\EmailLexer;
use PHPUnit\Framework\TestCase;
class EmailLexerTest extends TestCase
{
public function testLexerExtendsLib()
{
$lexer = new EmailLexer();
$this->assertInstanceOf('Doctrine\Common\Lexer\AbstractLexer', $lexer);
}
/**
* @dataProvider getTokens
*
*/
public function testLexerTokens($str, $token)
{
$lexer = new EmailLexer();
$lexer->setInput($str);
$lexer->moveNext();
$lexer->moveNext();
$this->assertEquals($token, $lexer->current->type);
}
public function testLexerParsesMultipleSpaces()
{
$lexer = new EmailLexer();
$lexer->setInput(' ');
$lexer->moveNext();
$lexer->moveNext();
$this->assertEquals(EmailLexer::S_SP, $lexer->current->type);
$lexer->moveNext();
$this->assertEquals(EmailLexer::S_SP, $lexer->current->type);
}
/**
* @dataProvider invalidUTF8CharsProvider
*/
public function testLexerParsesInvalidUTF8($char)
{
$lexer = new EmailLexer();
$lexer->setInput($char);
$lexer->moveNext();
$lexer->moveNext();
$this->assertEquals(EmailLexer::INVALID, $lexer->current->type);
}
public static function invalidUTF8CharsProvider()
{
$chars = array();
for ($i = 0; $i < 0x100; ++$i) {
$c = self::utf8Chr($i);
if (preg_match('/(?=\p{Cc})(?=[^\t\n\n\r])/u', $c) && !preg_match('/\x{0000}/u', $c)) {
$chars[] = array($c);
}
}
return $chars;
}
protected static function utf8Chr($code_point)
{
if ($code_point < 0 || 0x10FFFF < $code_point || (0xD800 <= $code_point && $code_point <= 0xDFFF)) {
return '';
}
if ($code_point < 0x80) {
$hex[0] = $code_point;
$ret = chr($hex[0]);
} elseif ($code_point < 0x800) {
$hex[0] = 0x1C0 | $code_point >> 6;
$hex[1] = 0x80 | $code_point & 0x3F;
$ret = chr($hex[0]) . chr($hex[1]);
} elseif ($code_point < 0x10000) {
$hex[0] = 0xE0 | $code_point >> 12;
$hex[1] = 0x80 | $code_point >> 6 & 0x3F;
$hex[2] = 0x80 | $code_point & 0x3F;
$ret = chr($hex[0]) . chr($hex[1]) . chr($hex[2]);
} else {
$hex[0] = 0xF0 | $code_point >> 18;
$hex[1] = 0x80 | $code_point >> 12 & 0x3F;
$hex[2] = 0x80 | $code_point >> 6 & 0x3F;
$hex[3] = 0x80 | $code_point & 0x3F;
$ret = chr($hex[0]) . chr($hex[1]) . chr($hex[2]) . chr($hex[3]);
}
return $ret;
}
public function testLexerForTab()
{
$lexer = new EmailLexer();
$lexer->setInput("foo\tbar");
$lexer->moveNext();
$lexer->skipUntil(EmailLexer::S_HTAB);
$lexer->moveNext();
$this->assertEquals(EmailLexer::S_HTAB, $lexer->current->type);
}
public function testLexerForUTF8()
{
$lexer = new EmailLexer();
$lexer->setInput("áÇ@bar.com");
$lexer->moveNext();
$lexer->moveNext();
$this->assertEquals(EmailLexer::GENERIC, $lexer->current->type);
$lexer->moveNext();
$this->assertEquals(EmailLexer::GENERIC, $lexer->current->type);
}
public function testLexerSearchToken()
{
$lexer = new EmailLexer();
$lexer->setInput("foo\tbar");
$lexer->moveNext();
$this->assertTrue($lexer->find(EmailLexer::S_HTAB));
}
public static function getTokens()
{
return array(
array("foo", EmailLexer::GENERIC),
array("\r", EmailLexer::S_CR),
array("\t", EmailLexer::S_HTAB),
array("\r\n", EmailLexer::CRLF),
array("\n", EmailLexer::S_LF),
array(" ", EmailLexer::S_SP),
array("@", EmailLexer::S_AT),
array("IPv6", EmailLexer::S_IPV6TAG),
array("::", EmailLexer::S_DOUBLECOLON),
array(":", EmailLexer::S_COLON),
array(".", EmailLexer::S_DOT),
array("\"", EmailLexer::S_DQUOTE),
array("`", EmailLexer::S_BACKTICK),
array("'", EmailLexer::S_SQUOTE),
array("-", EmailLexer::S_HYPHEN),
array("\\", EmailLexer::S_BACKSLASH),
array("/", EmailLexer::S_SLASH),
array("(", EmailLexer::S_OPENPARENTHESIS),
array(")", EmailLexer::S_CLOSEPARENTHESIS),
array('<', EmailLexer::S_LOWERTHAN),
array('>', EmailLexer::S_GREATERTHAN),
array('[', EmailLexer::S_OPENBRACKET),
array(']', EmailLexer::S_CLOSEBRACKET),
array(';', EmailLexer::S_SEMICOLON),
array(',', EmailLexer::S_COMMA),
array('<', EmailLexer::S_LOWERTHAN),
array('>', EmailLexer::S_GREATERTHAN),
array('{', EmailLexer::S_OPENCURLYBRACES),
array('}', EmailLexer::S_CLOSECURLYBRACES),
array('|', EmailLexer::S_PIPE),
array('~', EmailLexer::S_TILDE),
array('=', EmailLexer::S_EQUAL),
array('+', EmailLexer::S_PLUS),
array('¿', EmailLexer::INVERT_QUESTIONMARK),
array('?', EmailLexer::QUESTIONMARK),
array('#', EmailLexer::NUMBER_SIGN),
array('¡', EmailLexer::INVERT_EXCLAMATION),
array('_', EmailLexer::S_UNDERSCORE),
array('', EmailLexer::S_EMPTY),
array(chr(31), EmailLexer::INVALID),
array(chr(226), EmailLexer::GENERIC),
array(chr(0), EmailLexer::C_NUL)
);
}
public function testRecordIsOffAtStart()
{
$lexer = new EmailLexer();
$lexer->setInput('foo-bar');
$lexer->moveNext();
$this->assertEquals('', $lexer->getAccumulatedValues());
}
public function testRecord()
{
$lexer = new EmailLexer();
$lexer->setInput('foo-bar');
$lexer->startRecording();
$lexer->moveNext();
$lexer->moveNext();
$this->assertEquals('foo', $lexer->getAccumulatedValues());
}
public function testRecordAndClear()
{
$lexer = new EmailLexer();
$lexer->setInput('foo-bar');
$lexer->startRecording();
$lexer->moveNext();
$lexer->moveNext();
$lexer->clearRecorded();
$this->assertEquals('', $lexer->getAccumulatedValues());
}
}
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